तेनासनयानयोरासनं व्याख्यातम् ॥ कZ_०७.२.०३ ॥
tena āsana-yānayor āsanaṃ vyākhyātam
By that reasoning, neutrality (āsana) is explained (as between neutrality and marching).
It refers to the preceding decision logic: if expected gains are equal, prefer the option with fewer inherent costs—thereby favoring āsana over yāna when outcomes are comparable.